1 //===----------------------------------------------------------------------===// 2 // 3 // The LLVM Compiler Infrastructure 4 // 5 // This file is dual licensed under the MIT and the University of Illinois Open 6 // Source Licenses. See LICENSE.TXT for details. 7 // 8 //===----------------------------------------------------------------------===// 9 10 // <string> 11 12 // template<> struct char_traits<char> 13 14 // static constexpr int_type to_int_type(char_type c); 15 16 #include <string> 17 #include <cassert> 18 19 int main() 20 { 21 assert(std::char_traits<char>::to_int_type('a') == 'a'); 22 assert(std::char_traits<char>::to_int_type('A') == 'A'); 23 assert(std::char_traits<char>::to_int_type(0) == 0); 24 } 25